Effects of intramuscular injections of folic acid, vitamin B12, or both, on lactational performance and energy status of multiparous dairy cows.

@article{Duplessis2017EffectsOI,
  title={Effects of intramuscular injections of folic acid, vitamin B12, or both, on lactational performance and energy status of multiparous dairy cows.},
  author={Martin Duplessis and H{\'e}l{\`e}ne Lapierre and Doris Pellerin and J-P Laforest and Christiane L. Girard},
  journal={Journal of dairy science},
  year={2017},
  volume={100 5},
  pages={4051-4064}
}
The purpose of this experiment was to gain understanding on changes in energy partitioning when folic acid and vitamin B12 supplements, alone or combined, were given by weekly intramuscular injections from 3 wk before the expected calving date until 7 wk postpartum. Twenty-four multiparous cows were assigned to 6 blocks of 4 cows each according to previous 305-d lactation yield to either 0 or 320 mg of folic acid and 0 or 10 mg of vitamin B12 in a 2 × 2 factorial arrangement. Plasma… CONTINUE READING